Environmentalists are keen on degradable materials.环保分子特别喜爱能够自然分解的材料.Starch - based biodegradable plastics is a kind of important degradable polymer material.淀粉基生物降解塑料是一种重要的可降解高分子材料.Phosphate ester polymers are degradabl...
Layering sheers is anther way to help conceal what is underneath.其次,多层套叠的款式尤其能够掩饰身材缺陷,助你扬长避短.By lifting and layering her hair, Michael created a lighter frame for her face.通过把头发往上梳，增加层次感，迈克尔让她的脸型显得更为柔和。A catalog of waves...
Now and then they heard the roar of a heavy truck.他们不时地听到大卡车的轰鸣声。A roar of approval resounded through the Ukrainian parliament.一片赞成声在乌克兰议会中回响。Local residents saw it plunge towards Earth with a deafening roar.当地的居民看见它伴着一声...